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gravity assist
(redirected from Gravitational boost)

   Also found in: Wikipedia 0.01 sec.
gravity assist
n.
The use of the energy obtained from a gravitational field to change the speed or shape of a spacecraft's orbit.


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With the assist of gravitational boosts from the moon, twin spacecraft in late January completed a series of maneuvers that will enable them to take three-dimensional images of the sun.
To reach its final destination, MESSENGER must get several gravitational boosts.
As it picks up a gravitational boost from the giant planet, the NASA-European Space Agency spacecraft is taking the opportunity to explore the behemoth's harsh environment of energetic charged particles, strong magnetic fields, and ionizing radiation.
 
 
 
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